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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 am CDT May 13, 2026
Forecast Valid: 5am CDT May 13, 2026-6pm CDT May 19, 2026

Today

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Thursday

W wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

S wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Friday

S wind 10 to 15 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

SSE wind 10 to 15 kt. Mostly cloudy. Seas around 1 ft.

Saturday

SSE wind 10 to 15 kt. Partly sunny. Seas around 1 ft.

Saturday Night

SE wind 10 to 15 kt. Mostly cloudy. Seas around 1 ft.

Sunday

SSE wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.